Mathematics Class 6 NCERT Solutions: Chapter 4 Basic Geometrical Ideas Exercise 4.4

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Q.1 Draw a rough sketch of a triangle ABC. Mark a point P in its interior and a point Q in its exterior. Is the point A in its exterior or in its interior?

Answer:

Image of Sketch of a Triangle

Image of Sketch of a Triangle

Image of Sketch of a Triangle

A is neither interior of the figure nor exterior of triangle. It is a vertex.

Q.2

Image of Exterior of Triangle

Image of Exterior of Triangle

Image of Exterior of Triangle

(a) Identify three triangles in the figure:

Answer: The three triangles are: , ,

(b) Write the names of seven angles.

Answer: Angles are:

(c) Write the names of sic line segments.

Answer: Line segments are:

(d) Which two triangles have as common?

Answer: Triangles having common ,